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Method for preparing water-borne construction thermal-insulation heat-preservation exterior wall coating

A technology for thermal insulation and exterior wall coatings, applied in antifouling/underwater coatings, reflective/signal coatings, coatings, etc. Excessive thickness and other problems, to achieve the effect of excellent scrub resistance and good application prospects

Inactive Publication Date: 2016-03-30
宋介珍
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, thermal insulation coatings mainly use modes such as adjusting the absorption / radiation ratio of the coating, increasing the thermal resistance of the coating, and cooling by infrared radiation. The insulation effect is affected by the atmosphere and dust and other disadvantages

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A preparation method of water-based building heat insulation exterior wall coating, comprising the following steps:

[0021] Step 1, in parts by weight, mix 5 parts of natural sand, 3 parts of perlite powder, 1 part of sepiolite, and 3 parts of nanoporous silica airgel, stir, add 2 parts of water glass, and disperse at high speed to obtain a mixed powder material;

[0022] Step 2, in parts by weight, mix 2 parts of ceramic fiber, 1 part of aluminum silicate fiber, 2 parts of polycarboxylate dispersant, and 3 parts of silica sol, stir, add 2 parts of polyurethane adhesive, disperse at low speed, and age, get the goo;

[0023] Step 3, in parts by weight, add the mixed powder obtained in step 1 to the adhesive liquid obtained in step 2 under stirring, then add 2 parts of water-based alkyd resin, 1 part of thickener, 3 parts of cellulose, amino 1 part of resin, 2 parts of glyceryl undecylenate, dispersed at low speed to obtain slurry;

[0024] Step 4: In parts by weight,...

Embodiment 2

[0027] A preparation method of water-based building heat insulation exterior wall coating, comprising the following steps:

[0028] Step 1, in parts by weight, mix 7 parts of natural sand, 6 parts of perlite powder, 2 parts of sepiolite, and 8 parts of nanoporous silica airgel, stir, add 4 parts of water glass, and disperse at high speed to obtain mixed powder material;

[0029] Step 2, in parts by weight, mix 4 parts of ceramic fiber, 2 parts of aluminum silicate fiber, 5 parts of polycarboxylate dispersant, and 4 parts of silica sol, stir, add 3 parts of polyurethane adhesive, disperse at low speed, and age. get the goo;

[0030] Step 3, in parts by weight, add the mixed powder obtained in step 1 to the adhesive liquid obtained in step 2 under stirring, then add 5 parts of water-based alkyd resin, 4 parts of thickener, 5 parts of cellulose, amino 2 parts of resin, 3 parts of glyceryl undecylenate, dispersed at low speed to obtain slurry;

[0031] Step 4: In parts by weigh...

Embodiment 3

[0034] A preparation method of water-based building heat insulation exterior wall coating, comprising the following steps:

[0035] Step 1, in parts by weight, mix 8 parts of natural sand, 4 parts of perlite powder, 3 parts of sepiolite, and 5 parts of nanoporous silica airgel, stir, add 4 parts of water glass, and disperse at high speed to obtain mixed powder material;

[0036] Step 2, in parts by weight, mix 2 parts of ceramic fiber, 1 part of aluminum silicate fiber, 2 parts of polycarboxylate dispersant, and 3 parts of silica sol, stir, add 2 parts of polyurethane adhesive, disperse at low speed, and age, get the goo;

[0037] Step 3, in parts by weight, add the mixed powder obtained in step 1 to the adhesive liquid obtained in step 2 under stirring, then add 5 parts of water-based alkyd resin, 3 parts of thickener, 7 parts of cellulose, amino 4 parts of resin, 2 parts of glyceryl undecylenate, dispersed at low speed to obtain slurry;

[0038] Step 4: In parts by weight...

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Abstract

The invention provides a method for preparing water-borne construction thermal-insulation heat-preservation exterior wall coating. The method comprises the following steps: mixing natural sand, crushed crude pearlite, sepiolite and nano-pore silica aerogel, stirring, adding sodium silicate, and dispersing at a high speed to obtain mixed powder; mixing ceramic fibers, aluminum silicate fibers, a polycarboxylate dispersing agent and silica sol, stirring, adding a polyurethane adhesive, dispersing at a low speed, and aging to obtain an adhesive liquid; then, adding the mixed powder into the adhesive liquid under a stirring state, adding water-borne alkyd resin, a thickening agent, cellulose, amino resin and glyceryl undecylenate, and dispersing at a low speed to obtain slurry; and finally, adding silicon tripolyphosphate into the prepared slurry, dispersing at a low speed, and grinding. The water-borne construction thermal-insulation heat-preservation exterior wall coating has the advantages of excellent washing resistance, stain resistance, artificial weather aging resistance and thermal-insulation heat-preservation property.

Description

technical field [0001] The invention belongs to the technical field of architectural coatings, and in particular relates to a preparation method of a water-based architectural thermal insulation exterior wall coating. Background technique [0002] The sun is the source of most of the energy on the earth. Common coal, oil, wind energy, and water kinetic energy in daily life are all forms of solar energy. After the continuous irradiation of the sun, the energy on the surface of the object continues to accumulate, and the temperature rises significantly. For example, in hot summer, the surface temperature of metal objects can reach 70-80°C, and the surface temperature of building roofs and exterior walls can reach 40-50°C. According to reports, the energy consumed by cooling and refrigeration equipment such as air conditioners, air conditioners, sprinklers and electric fans accounts for about 27% of the total annual energy consumption in my country. The peak electricity consu...

Claims

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Application Information

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IPC IPC(8): C09D1/00C09D7/12C09D5/16
CPCC09D1/00C09D5/004C09D5/16C09D7/63C09D7/65
Inventor 宋介珍
Owner 宋介珍
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